drug party 

A drug party is a party like event or atmosphere where party goers can engage in any drug or indulgence of their choosing

That drug party we went to was turnt

drug party by yrn_j April 7, 2016

Rainbow party drug 

Ecstasy the drug most often used at rainbow parties because it makes everything at the party seen even more cool.

Ecstasy is the rainbow party drug.

Rainbow party drug by Deep blue 2012 August 15, 2010